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Finding the Fourth Proportional to 58,682.75, 88,002.02 and 21,233.57

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Solution

The fourth proportional to 58,682.75, 88,002.02 and 21,233.57 is: 31,842.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,682.75 : 88,002.02 = 21,233.57 : x
  2. Step 2: Convert to fraction form
    58,682.75/88,002.02 = 21,233.57/x
  3. Step 3: Cross multiply
    58,682.75x = 88,002.02 × 21,233.57
  4. Step 4: Simplify right side
    58,682.75x = 1,868,596,664.89
  5. Step 5: Solve for x
    x = 1,868,596,664.89/58,682.75
  6. Step 6: Final answer
    x = 31,842.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.